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20h ago

Coco Gauff Parts With Matt Daly Days Before US Open and Hires Gavin MacMillan

The late change is aimed at fixing her serve after a season-high run of double faults.

Aug 15, 2025; Cincinnati, OH, USA; Coco Gauff (USA) returns a shot against Jasmine Paolini (ITA) during the Cincinnati Open at the Lindner Family Tennis Center. Mandatory Credit: Aaron Doster-Imagn Images/File Photo
Aug 15, 2025; Cincinnati, OH, USA; Coco Gauff (USA) reacts after returning a shot against Jasmine Paolini (ITA) during the Cincinnati Open at the Lindner Family Tennis Center. Mandatory Credit: Aaron Doster-Imagn Images/ File Photo

Overview

  • Matt Daly confirmed he recently left Gauff’s team and said he enjoyed working with her, while Gauff has not issued a detailed statement.
  • Gauff was seen practicing in New York with longtime mentor J.C. Faurel and biomechanics specialist Gavin MacMillan at the Billie Jean King Tennis Center.
  • MacMillan is widely credited with helping Aryna Sabalenka correct serving mechanics and refine her forehand.
  • Gauff’s serve has been a persistent problem this season, with a tour-leading 320 double faults, including 42 across three matches at the Canadian Open.
  • Under Daly and Faurel, Gauff won the China Open, the WTA Finals, and the 2025 French Open, but her results dipped on grass and hard courts heading into the US Open.